stack_guard      8267 ext/pcre/pcrelib/pcre_compile.c if (PUBL(stack_guard) != NULL && PUBL(stack_guard)())
stack_guard        73 ext/pcre/pcrelib/pcre_globals.c PCRE_EXP_DATA_DEFN int   (*PUBL(stack_guard))(void) = NULL;
stack_guard        81 ext/pcre/pcrelib/pcre_globals.c PCRE_EXP_DATA_DEFN int   (*PUBL(stack_guard))(void) = NULL;